HardLabs

Speakeasy

W-Floyd·speakeasy·pcb/speakeasy/speakeasy/Speakeasy.kicad_pcb

Speakeasy PCB layout, top view — open source ESP32 board by W-Floyd

About the Speakeasy PCB

Speakeasy is an open source ESP32 PCB design by W-Floyd, published on GitHub. It is a 2-layer board measuring 41 × 41 mm, with 17 components from 15 distinct parts.

Its main chip is the ESP32-S3-MINI-1U-N4R2, from the ESP32 family. Other key parts include the MAX98357AETE+T and MPM3810GQB-33-Z. By type, the board carries 5 capacitors, 5 resistors, 3 ICs, 2 connectors and 2 switches.

It belongs with the audio designs in this gallery.

From the project

A circuit-synth project for PCB design with Python.

A circuit-synth project for PCB design with Python.

This will generate KiCad project files that you can open in KiCad.

This project includes the following circuit templates:

1. ESP32-C6 Dev Board (Advanced ⭐⭐⭐): Minimal ESP32 integration example - File: circuit-synth/main.py

You can run any circuit file independently or use them as reference for your own designs.

Main components on the Speakeasy

ESP32-S3-MINI-1U-N4R2MAX98357AETE+TMPM3810GQB-33-Z

Speakeasy bill of materials (BOM)

17 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3-MINI-1U-N4R2
U1
1
MAX98357AETE+T
U2
1
MPM3810GQB-33-Z
U3
1
C64659
PH-6P立贴
J1
1
210-A-SMD/02
J2
1
C720477
BOOT
SW1
1
C720477
RST
SW2
1
10UF
10uF
C1
1
10UF
10uF
C2
2
100NF
100nF
C3, C6
1
1UF
1uF
C5
2
5.1K
5.1k
R1, R2
1
10K
10k
R3
1
1k
R4
1
100K
100k
R5

Speakeasy design files

The KiCad project lives in the W-Floyd/speakeasy repository on GitHub; these links point at the commit this page was built from.

Speakeasy: common questions

What microcontroller does the Speakeasy use?

The Speakeasy is built around the ESP32-S3-MINI-1U-N4R2, from the ESP32 family.

How big is the Speakeasy PCB?

The Speakeasy measures 41 × 41 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Speakeasy?

17 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Speakeasy design files?

From the W-Floyd/speakeasy repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Speakeasy design in my own project?

The repository has no license, so all rights stay with W-Floyd. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Speakeasy without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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